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Finding the Fourth Proportional to 250,031.88, 344,975.76 and 142,562.70

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Solution

The fourth proportional to 250,031.88, 344,975.76 and 142,562.70 is: 196,697.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,031.88 : 344,975.76 = 142,562.70 : x
  2. Step 2: Convert to fraction form
    250,031.88/344,975.76 = 142,562.70/x
  3. Step 3: Cross multiply
    250,031.88x = 344,975.76 × 142,562.70
  4. Step 4: Simplify right side
    250,031.88x = 49,180,675,780.15
  5. Step 5: Solve for x
    x = 49,180,675,780.15/250,031.88
  6. Step 6: Final answer
    x = 196,697.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.